openwrt/target/linux/ipq807x/patches-5.15/0021-v6.0-clk-qcom-ipq8074-add-PPE-crypto-clock.patch

From f91d0e8bd6c1f812bc2589050c05a90ee886c749 Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Sun, 15 May 2022 23:00:42 +0200
Subject: [PATCH] clk: qcom: ipq8074: add PPE crypto clock

The built-in PPE engine has a dedicated clock for the EIP-197 crypto
engine.

So, since the required clock currently missing add support for it.

Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220515210048.483898-5-robimarko@gmail.com
---
 drivers/clk/qcom/gcc-ipq8074.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

--- a/drivers/clk/qcom/gcc-ipq8074.c
+++ b/drivers/clk/qcom/gcc-ipq8074.c
@@ -3179,6 +3179,24 @@ static struct clk_branch gcc_nss_ptp_ref
 	},
 };
 
+static struct clk_branch gcc_crypto_ppe_clk = {
+	.halt_reg = 0x68310,
+	.halt_bit = 31,
+	.clkr = {
+		.enable_reg = 0x68310,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_crypto_ppe_clk",
+			.parent_names = (const char *[]){
+				"nss_ppe_clk_src"
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_branch gcc_nssnoc_ce_apb_clk = {
 	.halt_reg = 0x6830c,
 	.clkr = {
@@ -4651,6 +4669,7 @@ static struct clk_regmap *gcc_ipq8074_cl
 	[GCC_PCIE0_RCHNG_CLK_SRC] = &pcie0_rchng_clk_src.clkr,
 	[GCC_PCIE0_RCHNG_CLK] = &gcc_pcie0_rchng_clk.clkr,
 	[GCC_PCIE0_AXI_S_BRIDGE_CLK] = &gcc_pcie0_axi_s_bridge_clk.clkr,
+	[GCC_CRYPTO_PPE_CLK] = &gcc_crypto_ppe_clk.clkr,
 };
 
 static const struct qcom_reset_map gcc_ipq8074_resets[] = {